Alert archive / Florida / Flash Flood Warnings in 2012
Flash Flood Warning 2, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at May 22, 2012, 7:21 PM EDT for Miami-Dade County, Florida. It was in force for 3 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 22, 2012, 7:21 PM EDT (23:21 UTC)
- Expired
- May 22, 2012, 10:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 26 km from the middle of the area, began a volume at 23:22 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 22, 8:10 PM EDT | FLASH FLOOD | Doral, FL | BROADCAST MEDIA REPORTED THAT THE CANAL RUNNING EAST-WEST ALONG NW 25TH STREET NEAR NW 107TH AVENUE HAS OVERFLOWED ITS BANKS AND IS FLOODING A NEARBY POLICE DEPARTMENT PARKING LOT. |
| May 22, 8:30 PM EDT | FLASH FLOOD | 5 Nw Coral Gables, FL | RISING FLOOD WATERS INUNDATED SOME APARTMENTS AT THE FOUNTAINEBLEAU GARDENS APARTMENTS ON 81ST AVE AND NW 7TH STREET. TIME ESTIMATED. |
| May 22, 9:38 PM EDT | FLASH FLOOD | Doral, FL | HAM RADIO OPERATOR REPORTED THE CLOSURE OF NW 87TH AVENUE NEAR NW 12TH STREET DUE TO FLOODING. |
| May 22, 9:50 PM EDT | FLASH FLOOD | 2 Se Doral, FL | HAM RADIO OPERATOR RELAYED A REPORT THAT THE DOLPHIN EXPRESSWAY...STATE ROAD 836...IS ALMOST IMPASSABLE NEAR THE PALMETTO EXPRESSWAY...STATE ROAD 826...OVERPASS DUE TO STANDING WATER ON THE ROADWAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 11.4 hours before the alert went out and 4 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1333 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
101 WGUS52 KMFL 222321 FFWMFL FLC086-230230- /O.NEW.KMFL.FF.W.0002.120522T2321Z-120523T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 721 PM EDT TUE MAY 22 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * FLASH FLOOD WARNING FOR... PORTIONS OF THE MIAMI METROPOLITAN AREA... INCLUDING THE CITIES OF DORAL...SWEETWATER...HIALEAH... KENDALE LAKES...MEDLEY... * UNTIL 1030 PM EDT * AT 718 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TORRENTIAL RAINS OVERSPREADING AREAS WHICH RECEIVED 3 TO 6 INCHES OF RAIN THIS AFTERNOON. RAINFALL RATES IN EXCESS OF 3 INCHES PER HOUR WILL OCCUR. THIS WILL LEAD TO QUICK FLOODING OF STREETS... ESPECIALLY IN THE DORAL AREA. FLOODING OF HOMES OR BUSINESSES IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 2589 8026 2579 8029 2571 8044 2589 8039 $$ GREGORIA
3 follow-up statements
245 WGUS72 KMFL 230013 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 813 PM EDT TUE MAY 22 2012 FLC086-230230- /O.CON.KMFL.FF.W.0002.000000T0000Z-120523T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 813 PM EDT TUE MAY 22 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR NORTHEASTERN MIAMI-DADE COUNTY... AT 805 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING TORRENTIAL RAINS AND FLASH FLOODING ACROSS THE AREA. MEDIA REPORTS CANALS OVER FLOWING IN DORAL ALONG 25TH STREET HEADING WEST TOWARDS 107TH AVENUE. FLASH FLOODING IS LIKELY ACROSS PORTIONS OF THE WARNED AREA. MANY ROADS WILL BECOME IMPASSABLE AND SOME STRUCTURAL FLOODING IS LIKELY. RAINFALL RECORDED AT THE MIAMI INTERNATIONAL AIRPORT STANDS AT 8.28 INCHES! LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MEDLEY... HIALEAH GARDENS...HIALEAH...DORAL...VIRGINIA GARDENS...MIAMI SPRINGS... PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. && LAT...LON 2589 8026 2579 8029 2571 8044 2589 8039 $$ GREGORIA
805 WGUS72 KMFL 230148 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 948 PM EDT TUE MAY 22 2012 FLC086-230230- /O.CON.KMFL.FF.W.0002.000000T0000Z-120523T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 948 PM EDT TUE MAY 22 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR NORTHEASTERN MIAMI-DADE COUNTY... AT 941 PM EDT...EVEN THOUGH RAIN HAS DIMINISHED IN THE WARNING AREA, BROADCAST MEDIA REPORTED FLOODING OF STREETS AND CANALS ACROSS THE AREA. A HAM RADIO OPERATOR ALSO REPORTED THE CLOSURE OF NW 87TH AVENUE NEAR NW 12TH STREET DUE TO FLOODING. FLOOD WATERS WILL LIKELY TAKE A LONG TIME TO SUBSIDE. RAINFALL RECORDED AT THE MIAMI INTERNATIONAL AIRPORT NOW STANDS AT 9.70 INCHES! LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MEDLEY... HIALEAH GARDENS...HIALEAH AND DORAL PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. && LAT...LON 2589 8026 2579 8029 2571 8044 2589 8039 $$ GARCIA
765 WGUS72 KMFL 230228 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 1028 PM EDT TUE MAY 22 2012 FLC086-230236- /O.EXP.KMFL.FF.W.0002.000000T0000Z-120523T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MIAMI-DADE FL- 1028 PM EDT TUE MAY 22 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1030 PM EDT FOR NORTHEASTERN MIAMI-DADE COUNTY... NO FURTHER REPORTS OF FLOODING HAVE BEEN RECEIVED AND THE WATER WILL SLOWLY SUBSIDE. HOWEVER...ISOLATED LOCALES COULD HAVE SOME STANDING WATER SO MOTORISTS ARE URGED TO DRIVE WITH CAUTION OVERNIGHT AS WATER IN THE ROADWAY CAN BE DIFFICULT TO SEE AT NIGHT. LAT...LON 2589 8026 2579 8029 2571 8044 2589 8039 $$ GREGORIA
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:00 PM EDT | Special Weather Statement | MFL | Miami-Dade | 30 min |
| May 22, 9:32 AM EDT | Special Marine Warning | MFL | 35 min | |
| May 22, 12:04 PM EDT | Special Marine Warning | MFL | 56 min | |
| May 22, 12:26 PM EDT | Special Weather Statement | MFL | Palm Beach | 34 min |
| May 22, 1:21 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 114 min |
| May 22, 2:00 PM EDT | Tornado Warning | MFL | Broward | 12 min |
| May 22, 2:21 PM EDT | Special Weather Statement | MFL | Broward | 39 min |
| May 22, 2:24 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 111 min |
| May 22, 2:39 PM EDT | Areal Flood Advisory | MFL | Broward | 111 min |
| May 22, 4:25 PM EDT | Special Weather Statement | MFL | Broward | 35 min |
| May 22, 5:04 PM EDT | Special Weather Statement | MFL | Miami-Dade | 26 min |
| May 22, 5:15 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 2 hr |
| May 22, 5:44 PM EDT | Special Weather Statement | MFL | Miami-Dade | 31 min |
| May 22, 6:37 PM EDT | Special Weather Statement | MFL | Miami-Dade | 23 min |
| May 22, 7:37 PM EDT | Special Weather Statement | MFL | Miami-Dade | 53 min |
Nearby
Flash Flood Warnings in Florida, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.